City manager Nigel Pearson revealed at today's press conference that both had recovered from knocks and are in contention to start in the live TV tea-time clash at Pride Park.
De Laet was carried off with an ankle injury in the home defeat by Sheffield Wednesday and has missed one game – the midweek draw against Cardiff.
Konchesky has had a hamstring injury, which he picked up in the match against Leeds, and missed the games against both Sheffield Wednesday and Cardiff.